Defense, Department of (DOD)


The mission of the Department of Defense is to provide the military forces needed to deter war and to protect the security of our country. The department's headquarters is at the Pentagon.
The mission of is to support the overall mission of the Department of Defense by providing official, timely and accurate information about defense policies, organizations, functions and operations. Also, is the single, unified starting point for finding military information online.



  The Pentagon, 1400 Defense Pentagon Washington, DC 20301    Map this

Contact Numbers


Dr. Mark T. Esper , Secretary of Defense.
Deputy Secretary of Defense - David M. Norquist